#include <stdio.h>
#include <stdlib.h>



#define MAX 2
#if MAX == 1
    #define HELLO "hello1"
#elif MAX == 2
    #define HELLO "hello2"
#else
    #define HELLO "hello3"
#endif

int main(){
    printf("%s\n",HELLO);    // hello2
    system("pause");
}
